期刊
ORGANIC LETTERS
卷 12, 期 18, 页码 4002-4005出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol101583v
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资金
- NSF [CHE-0547865]
- NSF CRIF:MU [CHE 0840401]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0840401] Funding Source: National Science Foundation
(S)-1-Methylindan end groups are effective controllers of absolute helicity in Ni-salen- and Ni-salophen-based foldamers derived from (R,R)-trans-1,2-cyclohexanediamine and 1,2-phenylenediamine, respectively. Evidence for the helicity of the described complexes was provided through X-ray crystallography and study of chiroptical properties in solution. The chiral end groups control the absolute sense of helicity for the salen complexes, even in a case where the helical bias of the end group is mismatched relative to that of the internal diamine.
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